Meet the newest member of the Justice League: Jessica Cruz, a.k.a. Power Ring! With the most dangerous weapon in the universe in her possession, Jessica has been transformed into a dark prophet - one who will force the other members of the League to confront their greatest fears in preparation for a horrific new threat. Meanwhile, Batman and Lex Luthor continue their mission to cure the world of super-villains - but will the extremes they’re willing to go to threaten even their closest allies?